3Com 3C39024, 3C39036, 10005622 manual System Diagnostics, Ethernet Port Diagnostics

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System Diagnostics

This section describes the LEDs that provide information about the system as a whole.

Power LED Activity

■Green — The system is powered on; the system is running or has run diagnostics.

■No Light — The system has no power; no diagnostics are running.

Fault LED Activity

■No Light — System diagnostics have been successfully completed and the system is operational.

■Solid or Blinking Yellow — The system has failed diagnostics, or some other operational error has occurred.

See Chapter 6 for troubleshooting information.

Power-up Diagnostics

4-3

Ethernet Port Diagnostics

This section summarizes the information displayed by the port LEDs.

Packet LED Activity

■No Light — Data is not passing through the port.

■Blinking Yellow — Data is passing through the port.

■Yellow — Data is passing through the port.

Status LED Activity

■No Light — The port is off-line.

■Blinking Green — The port is online but disabled.

■Green — The port is online and enabled.

See Chapter 6 for troubleshooting information.

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Contents SuperStack II Switch Canada Emissions Requirements United States Federal Communications Commission NoticeJapan Vcci Class a Compliance Australian EMC Frameworks Compliance Page Contents Index 3COM Corporation Limited Warranty Finding Specific Information in This Guide IntroductionFor information on Turn to For information on ConventionsConvention Description Icon Type DescriptionPaper Documents SuperStack II Switch 3900 DocumentationDocumentation Comments Related PublicationsDocuments on CD-ROM Year 2000 Compliance Page Switch 3900 Intelligent Switch Switch 3900 System and Setup OverviewEthernet Ports System and Port LEDs System Overview 24-Port Front Panel13x 18x 25x System Overview 36-Port Front PanelSystem Overview Back Panel of Both Models 3Back Panel of the 24-Port and 36-Port SuperStack II SwitchSystem Management System Features and BenefitsNetwork Configuration Example Optional Gigabit Ethernet ModulesProviding Dedicated Links for Fast Ethernet Server farm Network Configuration SamplePage Qty To use Before You Begin1Stacking the Switch Preparing the System and Rack Installing the System in a Distribution RackRepeat the process on the other rail Mounting the System into a Distribution Rack Page Overview of Cabling Fiber Safety PrecautionsCabling 10/100BASE-TX RJ-45 Ports Fast Ethernet PortsPin No Signal Description 10/100BASE-TX RJ-45 Connector Pin AssignmentsCabling Gigabit Ethernet Ports Gigabit Ethernet PortsShows the Gigabit Ethernet cabling Cabling the Console PortSwitch 3900 and 9300 Administration Guide Shows the DB-9 pin assignments for Console port Console Port Pin AssignmentsPage AC Power Cord Power OptionsOptional Advanced Redundant Power System Optional Uninterruptible Power SystemPower-up Diagnostics Power UpTo Power the Switch 3900 with the RPS To Power the Switch 3900 from the Wall ReceptacleEthernet Port Diagnostics System DiagnosticsSystem and Port Status LEDs Super Stack II Switch Ethernet Port Status LEDs36x Next Step Software Configuration System ChecksCheck Description SystemPage Access Mechanism Allows you to Using About Switch 3900 System ManagementHow Do You Want to Manage the System? Terminal Connection Initial Management AccessModem Connection IP Management InterfaceConfiguring the IP Interface Setting the Console Port BaudPage Power Failures Diagnosing ProblemsGetting Additional Help Abnormal LED ActivitySteps to Take SymptomLED Status Diagnosing Problems Cleaning Dirty Fiber Optic Ports and Connectors Safety Agency Certifications Specifications Physical DimensionsPower Supply Environmental RequirementsStandard Type RFC Supported Software Tftp RFC InstallationSnmp protocol RFC MIB II RFCWiring Closet Recommendations General Safety RequirementsProtective Grounding for the Rack Distribution Rack RequirementsSpace Requirements for the Rack Mechanical Requirements for the Rack Figure B-1Recommended Service AccessBuilding Codes Building and Electrical CodesElectrical Codes Page 3Com Bulletin Board Service Online Technical ServicesWorld Wide Web Site 3Com FTP SiteSupport from Your Network Supplier 3ComFacts Automated Fax ServiceCountry Data Rate Telephone Number Support from 3Com Country Telephone Number Fax Number Returning Products for RepairIndex Universal mounting hole pattern Snmp Page Hardware 3Com Corporation Limited WarrantyLimitation of Liability

10005622, 3C39024, 3C39036 specifications

The 3Com 3C39036, 3C39024, and 10005622 are prominent networking devices that serve as crucial components in enterprise-level networking environments. These products, designed and manufactured by 3Com, are recognized for their reliability, performance, and innovative technologies.

The 3Com 3C39036 is a robust multi-layer switch that provides advanced features suitable for large-scale networking solutions. One of its standout characteristics is its high throughput capability, allowing it to handle large volumes of data traffic smoothly. It supports multiple network protocols, enhancing compatibility with various devices and network configurations. With its Layer 2 and Layer 3 functionality, the 3C39036 enables both switching and routing, making it versatile for different network topologies. Additionally, it includes features such as Virtual LAN (VLAN) support, which allows for the segmentation of networks for improved performance and security. The built-in Quality of Service (QoS) capabilities prioritize critical data traffic, ensuring that essential applications receive the necessary bandwidth for optimal performance.

Meanwhile, the 3Com 3C39024 is another multi-layer switch that emphasizes scalability and flexibility. It is designed for medium to large businesses looking to enhance their network infrastructure. The 3C39024 offers extensive port configurations, enabling organizations to easily expand their network as needed. Like the 3C39036, it supports VLANs, QoS, and routing capabilities, fostering efficient data management and streamlined communication. With its powerful management features, network administrators can monitor and configure the switch using intuitive interfaces, simplifying network management tasks.

Lastly, the 10005622, known for its simplicity and effectiveness, is ideal for small to medium-sized enterprises. This managed switch provides essential features, such as auto-sensing ports and plug-and-play functionality, making it an excellent choice for businesses that require ease of use without sacrificing performance. The 10005622 also supports VLANs and offers basic network security features, ensuring secure data transmission across the network.

In summary, the 3Com 3C39036, 3C39024, and 10005622 cater to different networking needs, from large enterprises to smaller businesses. They incorporate essential technologies and characteristics that enhance network performance, scalability, and management, making them valuable assets in today's data-driven environments. With their high reliability and advanced features, these switches continue to be relevant in an ever-evolving technological landscape.
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